QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer

BH #QSADS28TWBK • MFR #AD-S28TW-BK
QSC
QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer
Key Features
  • Dual 8" Polypropylene Woofers
  • Large Bass Port
  • Defeatable Low-Pass filter
  • 70/100V Transformer with 8 Ohm Bypass
The AD-S28Tw, part of the AcousticDesign series from QSC, is a professional-quality surface mount subwoofer designed to provide low frequency enhancement to ceiling or surface mount AD-series speakers. The subwoofer has a marine-grade plywood cabinet that houses a pair of 8" polypropylene woofers. The cabinet has a dual chamber ported bandpass design with a large port to extend low frequency response.
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Expected availability: 7-10 business days
$785.00

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  • This item is noncancelable and nonreturnable.

QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer

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QSC AD-S28TW Overview

The AD-S28Tw, part of the AcousticDesign series from QSC, is a professional-quality surface mount subwoofer designed to provide low frequency enhancement to ceiling or surface mount AD-series speakers. The subwoofer has a marine-grade plywood cabinet that houses a pair of 8" polypropylene woofers. The cabinet has a dual chamber ported bandpass design with a large port to extend low frequency response.

The subwoofer has a defeatable passive 120Hz low-pass filter with impedance compensation and a 70/100V multi-tap transformer that can also be bypassed for use with 8 ohm speaker systems, making it extremely versatile. The subwoofer can be mounted in a number of ways; freestanding with the included rubber feet, or suspended via forged-shoulder eyebolts or the included steel yoke.

Ideal companion for AD-series speakers
Marine-grade plywood cabinet provides exception resistance to humidity. It also features a zinc-plated steel grille, molded ABS endcaps, and a rotatable logo
Pair of 8" polypropylene woofers provide clear, strong bass and are protected for humid environments
Dual chamber bandpass design features one sealed chamber and one ported chamber to provide efficient, tight bass with excellent low frequency extension
Defeatable passive 120Hz low-pass filter with impedance compensation
High power handling capability of 250W continuous/700W peak
The 70/100V multi-tap transformer has an 8 ohm bypass mode and standard screw terminal connectors, allowing you to connect the subwoofer to virtually any professional sound system
Rubber feet, forged-shoulder eyebolts, and a steel yoke give you a variety of mounting options
UPC: 684284053992

QSC AD-S28TW Specs

TypeSurface Mount Bandpass Subwoofer, Ported
Driver2 x 8" (200mm) Weather-Resistant Polypropylene Cone Woofers with Rubber Surrounds
Frequency Response42-165Hz (-6dB)
36-205Hz (-10dB)
Filter120Hz Low-Pass, Passive, Bypassable
Maximum Sound Pressure Level (SPL)124dB/118dB (Peak/Continuous, 2pi Half Space)
118dB/112dB (Peak/Continuous, 4pi Full Space)
Impedance8 Ohms
Power Rating250W RMS (Continuous)
500W RMS (Max Recommended Amp Power)
Sensitivity94dB, 2.83V, 1 m, Half Space (2pi)
TransformerCustom Low-Distortion Laminated Core, Wide Bandwidth Design
70V Taps: 200, 100, 50, and 25W
100V Taps: 200, 100, 15W
Switch-Selectable 8 Ohm Bypass Mode
Connectors4-Position Screw Terminal Barrier Strip (2 In, 2 Out)
ConstructionMarine-Grade Plywood with ABS Endcaps and Steel Grille, Textured Black Paint Finish
EnvironmentalExceeds Mil Spec 810 for Humidity, Salt Spray and Dust
IEC 60529 IP-X4 Splash Rating
MountingBlack Powder-Coated Steel Yoke with Attachment Hardware
Black Zinc-Coated Forged Shoulder Steel M6 Eyebolts
Black Powder-Coated Steel Shear Plates with Attachment Hardware
Black Rubber Feet with Integral Threaded Bolt
Dimensions (HxWxD)Not Specified by Manufacturer
Weight43 lbs (19.5kg) / 55 lbs (25kg)
Packaging Info
Package Weight53 lb
Box Dimensions (LxWxH)29 x 20 x 14.75"
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